Frances Sizer, M.S., RD, FADA, is certified as a charter Fellow of the American Dietetic Association. She is also a founding member and vice president of Nutrition and Health Associates, a Florida-based information and resource center that maintains an online bibliographic database tracking system that conducts research in more than 1,000 topic areas of nutrition. In addition to the best-selling NUTRITION CONCEPTS AND CONTROVERSIES, Sizer was a primary author of the first ever instructional and animated NUTRITION INTERACTIVE CD-ROM (Cengage Wadsworth). Her previous publications include NUTRITION CLINICS, a monograph series for health professionals, and the college text THE FITNESS TRIAD: MOTIVATION, TRAINING, AND NUTRITION. In addition to writing, enjoying her family, and schooling her horse in dressage, Sizer is also an active board member of ECHO, a local hunger and homelessness relief organization in her community. Sizer received her B.S. and M.S. in nutrition from Florida State University. Ellie Whitney, Ph.D., received her B.A. in biology from Radcliffe College in 1960 and her Ph.D. in biology from Washington University, St. Louis, in 1970. Formerly on the faculty at Florida State University and a dietitian registered with the American Dietetic Association, she now devotes all her time to research, writing, and consulting in nutrition, health, and environmental issues. Her earlier publications include articles in SCIENCE, GENETICS, and other journals. Her textbooks include NUTRITION CONCEPTS AND CONTROVERSIES; UNDERSTANDING NUTRITION; UNDERSTANDING NORMAL AND CLINICAL NUTRITION; NUTRITION AND DIET THERAPY; and NUTRITION FOR HEALTH AND HEALTH CARE, all with Wadsworth. She also recently co-authored PRICELESS FLORIDA (Pineapple Press), a comprehensive text examining the ecosystems in her home state. Her additional interests include energy conservation, solar energy use, alternatively fueled vehicles, and ecosystem restoration.